In the short run, a monopolistically competitive firm continues to increase production if it can at least cover its variable cost.

Until Marginal Revenue = Marginal Cost

Explanation:

In the short run, a monopolistic ally competitive firm continues to increase production until MR = MC if it can at least cover its variable cost. This is the profit maximizing condition. If firm is able to cover his variable costs in short run, he should continue production.

answer; ///i believe that the correct answer is (a) it is the means by which a person earns money;